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Environmental Science

Environmental Science
The first trophic level in a food chain

Green Plants
Herbivores
Carnivores
Bacteria

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Environmental Science
_______ trees shed their leaves during winter and hot summer.

Shola
coniferous
ever green
deciduous

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Photo voltaic cells
Solar cookers
Solar desalination systems
Solar water-heating

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Environmental Science
The first global environmental protection treaty "The Montreal Protocol" was signed on September 26 in

1985
1990
1987
1981

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Environmental Science
CFC releases a chemical which is harmful to ozone is

fluorine
chlorine
N2O
SO2

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Environmental Science
The time of day when the relative humidity reaches a maximum value is usually

Just before sunrise
About midnight
At the time when the air temperature is highest
In the middle of the afternoon
At the time when the air temperature is lowest

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